Add JS heap snapshotting functionality to Telemetry (part 2)

tools/telemetry/telemetry/core/backends/chrome/inspector_backend.py

Index: tools/telemetry/telemetry/core/backends/chrome/inspector_backend.py
diff --git a/tools/telemetry/telemetry/core/backends/chrome/inspector_backend.py b/tools/telemetry/telemetry/core/backends/chrome/inspector_backend.py
index 9e9e13be30710627cd62403c2423199aad53b702..70508b58b5446a42ce2279840f2c8d35eda0c33b 100644
--- a/tools/telemetry/telemetry/core/backends/chrome/inspector_backend.py
+++ b/tools/telemetry/telemetry/core/backends/chrome/inspector_backend.py
@@ -16,7 +16,7 @@ from telemetry.core.backends.chrome import inspector_page
 from telemetry.core.backends.chrome import inspector_runtime
 from telemetry.core.backends.chrome import inspector_timeline
 from telemetry.core.backends.chrome import websocket
-from telemetry.core.jsheap import model
+from telemetry.core.heap import model
 
 class InspectorException(Exception):
   pass
@@ -354,5 +354,4 @@ class InspectorBackend(object):
                       'params': {'uid': snapshot_uid[0]}}, timeout)
 
     self.UnregisterDomain('HeapProfiler')
-
-    return model.JsHeapSnapshotModel(snapshot[0])
+    return model.Model(snapshot[0])